As tangelos go, the Minneola tends to be pretty large and is usually bell or pear-shaped. Diameter of the fruit averages about 3 inches (7.62 cm), though some can grow a bit larger. The peel is somewhat thin, but like most tangelos and mandarin oranges, it is pretty easy to peel.
Space Exploration Definition. space exploration. 1  Space exploration is the use of astronomy and space technology to explore outer space. 2  Physical exploration of space is conducted both by human spaceflights and by robotic spacecraft.
a call or summons to engage in any contest, as of skill, strength, etc. 2. something that by its nature or character serves as a call to battle, contest, special effort, etc.: Space exploration offers a challenge to humankind. 3. a call to fight, as a battle, a duel, etc. 4. a demand to explain, justify, etc.: